i got many errors in this code, so please do tell me how to do it right!

Question

#include <stdio.h>

int main()

{

char a,c;

int b;

a=printf("Enter Your Name \n");

b=printf("Enter Your Age \n");

c=printf("Enter Your Clg Name \n");

scanf("%s %d %s",&a,&b,&c);

printf(" My details are \n %s %d %s",&a,&b,&c);

return(0);

}