Program:

# include <stdio.h>
 
void main(){

int a,b,c,lrg;

printf("Enter three numbers :") ;
scanf("%d%d%d", &a, &b, &c) ;

lrg = a > b ? (a > c ? a : c) : (b > c ? b : c) ;
printf("\nThe biggest number is : %d\n", lrg) ;

}

Expected O/P:

Enter three numbers :56
54
31

The biggest number is : 56