#include<stdio.h>
#include<stdlib.h>

int main(){
    int A, B, C;

    scanf("%d %d", &A, &B);

    if(abs(A) > abs(B)){
        if(A%B == 0){
            C = A/B;
            printf("%d\n", C);
        }else{
            printf("NO\n");
        }
    }else{
        if(B%A == 0){
            C = B/A;
            printf("%d\n", C);
        }else{
            printf("NO\n");
        }
    }

    return 0;
}