#include <stdio.h>
#include <stdlib.h>
 
int main()
{
 
    int a,b,c,r;
    
    a = 10;
    b = 5;
    c = -1;
    
    r = a>b?(a>c?a:c):(b>c?b:c);
    
    printf("%d\n",r);
   
    return 0;
}