Exercise 06 B

#!/usr/bin/env python3

import sys

# Functions

def is_subsequence(s, t):
        ''' Return whether or not s is a subsequence of t '''
        index = 0
        for letter in t:
                if s[index] == letter:
                        index += 1
                if index == len(s):
                        return True

        return False

# Main Execution

if __name__ == '__main__':
        for line in sys.stdin:
                s, t = map(list, line.split())
                print(is_subsequence(s, t))