View Code of Problem 84

#include <iostream>
#include <string>
using namespace std;
int main(){
    string input;
    while(getline(cin, input)){
        for(int i = 0; i < input.length(); i++){
            if(input[i] == 's' || input[i] == 'S')
                if(input[i+1] == 'a' || input[i+1] == 'A')
                    if(input[i+2] == 'l' || input[i+2] == 'L')
                        if(input[i+3] == 't' || input[i+3] == 'T'){
                            cout << input << endl;
                            break;
                        }
        }
    }
    return 0;
}