#include<stdio.h>
int main()
{
    int s,w;
    printf("Enter s=");
    scanf("%d",&s);
      printf("Enter w=");
    scanf("%d",&w);
    if(s<=100&&w<=100)
   { if(s<=w)
    printf("unsave");
    else
    printf("save");}
    else 
    printf("error!");
    return 0;
}
