#include<stdio.h>    
void main(){    
int number=0;    
printf("enter a number:");    
scanf("%d",&number);     
if(number==10){    
printf("number is equals to 10");    
}    
else if(number==50){    
printf("number is equal to 50");    
}    
else if(number==100){    
printf("number is equal to 100");    
}    
else{    
printf("number is not equal to 10, 50 or 100");    
}    
}