diff --git a/main.zig b/main.zig
index 68ca62f..00ec4a1 100644
--- a/main.zig
+++ b/main.zig
@@ -12,12 +12,12 @@ pub fn main() !void {
         _ = buffer;
         print("Buffer:{s}\n", .{buf});
 
-        const slice = getNum("123dsfiauf_123_45t63sadf9875,231,1");
+        const slice = getNum("123dsfi843w653487 38745 631875 61385631856__87234982374924__auf_123_45t63sadf9875,231,1");
         //_ = slice;
-        print("number1: {d}", .{slice[0]});
-        //for (slice) |num| {
-        //    print("extracted number:\n{d}\n", .{num});
-        //}
+        //print("number1: {d}", .{slice[0]});
+        for (slice) |num| {
+            print("extracted number:\n{d}\n", .{num});
+        }
     } else {
         print("Error getenv\n", .{});
     }
@@ -27,15 +27,19 @@ fn getNum(str1: []const u8) []u64 {
     //_ = str1;
     var pos: u64 = 0;
     var num = std.mem.zeroes([64]u64);
-    var num_res = std.mem.zeroes([64]u64);
+    var num_res = std.mem.zeroes([16]u64);
     var it: u64 = 0;
     for (str1, 0..) |elem, it2| {
-        // print("Elem: {} ", .{elem});
-        if (elem >= 48 and elem <= 57) { //is ascii number
+        if (elem >= 48 and elem <= 57) { //is ascii number?
             num[pos] = @intCast(elem - 48);
-            pos += 1;
+            if (pos <= @bitSizeOf(@TypeOf(pos))) {
+                pos += 1;
+            } else {
+                print("ERROR int u64 oveflow! pos {d} ,max {d}\n", .{ pos, @bitSizeOf(@TypeOf(pos)) });
+            }
         }
-        if ((elem < 48 or elem > 57) or it2 == (str1.len - 1)) { //add case when if last element create te int
+        //Calculate int out of characters
+        if ((elem < 48 or elem > 57) or it2 == (str1.len - 1)) {
             if (pos != 0) {
                 for (0..pos) |i| {
                     if (i < pos - 1) {
@@ -44,7 +48,7 @@ fn getNum(str1: []const u8) []u64 {
                         num_res[it] = num_res[it] + num[i];
                     }
                 }
-                print("numres:{}={}\n", .{ it, num_res[it] });
+                //print("numres:{}={}\n", .{ it, num_res[it] });
                 pos = 0;
                 it += 1;
             }