Why I’m always getting InputMismatchError in java

Question

import java.io.*;
import java.util.*;

class GFG {
public static void main (String[] args) {
Scanner sc=new Scanner(System.in);
String s=sc.nextLine();
int t=sc.nextInt();
String result="";
String dir;
while(t!=0)
{
dir=sc.nextLine();
int r=sc.nextInt();
if(dir=="L")
result=s.substring(r%s.length(),s.length())+s.substring(0,r%s.length());
//if(dir=='R')

System.out.print(result);
t--;
}
}
}

Answer 1

you are not entering your data correctly:
string
3 string
2 string
1 string
0
nextLine finishes the line your integer was on.