#include <string.h>
int main() {
    int x, sizes, n;
    char sh[100];

    scanf("%d\n", &x);
    scanf("%s", sh);

    sizes = strlen(sh);

    n = x / sizes;

    if (n >> 0) {
        printf("%d", n);
    } else {
        printf("-1");
    }
    return 0;
}

/sandbox/1/a.cpp: In function 'int main()':
/sandbox/1/a.cpp:8:1: error: 'scanf' was not declared in this scope
    8 | scanf("%d\n",&x);
      | ^~~~~
/sandbox/1/a.cpp:16:5: error: 'printf' was not declared in this scope
   16 |     printf("%d",n);
      |     ^~~~~~
/sandbox/1/a.cpp:3:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
    2 | #include <string.h>
  +++ |+#include <cstdio>
    3 | int main(){
/sandbox/1/a.cpp:20:2: error: 'printf' was not declared in this scope
   20 |  printf("-1");
      |  ^~~~~~
/sandbox/1/a.cpp:20:2: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?