#/usr/bin/env python

from collections import defaultdict

import re
RE_MOVE = re.compile(r"^move (\d+) from (\d+) to (\d+)$")

def read_cargo(f):
    cargo = defaultdict(list)
    for line in f:
        line = line.rstrip()
        if len(line) == 0:
            break  
        pos = 1
        while (pos-1)*4+1 < len(line):
            c = line[(pos-1)*4+1]
            if c == ' ':
                pos += 1
                continue
            cargo[pos].append(c)
            pos += 1
    return cargo

def read_moves(f):
    for line in f:
        line = line.strip()
        m =  RE_MOVE.match(line)
        if not m:
            continue
        yield (int(m.group(1)), int(m.group(2)), int(m.group(3)))
    

with open("input.txt", "r") as f:
    cargo = read_cargo(f)
    for move in read_moves(f):
        slice = cargo[move[1]][:move[0]]
        slice.reverse()
        cargo[move[1]] = cargo[move[1]][move[0]:]
        cargo[move[2]] = slice + cargo[move[2]]

for k in sorted(cargo.keys()):
    print(cargo[k][0], end ="")
print()