#include<stdio.h>
#include<string.h>
void main()
{
    char a[100],b[100],c[100];
    int i,j,n;
    printf("\n Enter the first string:");
    scanf("%s",&a);
    printf("\n Enter the second string:");
    scanf("%s",&c);
    j=0;
    n=strlen(a);
    for(i=n-1;i>=0;i--)
    {
        b[j++]=a[i];
    }
    b[i]='\0';
    printf("\n The string reverse is %s",b);
    printf("\n The string concatenation is %s",strcat(a,c));
}