Student Registration using Structure Array in C Programming

#include<stdio.h>
struct Demo
{
int a;
char b;
char name[60];
};
main()
{
struct Demo s1[10];

int i,n;
printf("Enter number of students:");
scanf("%d",&n);
for(i=0;i<n;i++)
{
printf("Enter student-%d roll,grade,name:",i+1);
scanf("%d %c%s",&s1[i].a,&s1[i].b,&s1[i].name);
}

for(i=0;i<n;i++)
{
printf("Student-%d Details:\n%d\t%c\t%s\n",i+1,s1[i].a,s1[i].b,s1[i].name);
}

}