def solution(R, C, moves):
    ur, uc = R, C
    for m in moves:
        if m == 'U':
            ur += 1
        if m == 'D':
            ur -= 1
        if m == 'R':
            uc += 1
        if m == 'L':
            uc -= 1
        if ur < 1 or ur > 100 or uc < 1 or uc > 100:
            ur, uc = R, C
    return ur + uc

R = 2
C = 2
moves = ['U','R','R','D']
ret = solution(R, C, moves)
print("solution 함수의 반환 값은", ret, "입니다.")