#include <stdlib.h>
#include  <stdio.h>
#include <time.h>
int main(void){
    srand(time(NULL));

    int a = rand()%101;
    int b = rand()%101;
    int sign = rand() % 4 ;
    if(sign == 0) printf("%d + %d",a,b);
    else if(sign == 1) printf("%d - %d",a,b);
    else if(sign == 2) printf("%d * %d",a,b);
    else if(sign == 3) printf("%d / %d",a,b);

    return 0;
}