f=open("Part1input.txt","r")
init = list(map(int,f.readline().split(",")))
f.close()
for noun in range(99):
    for verb in range(99):
        inp = init
        inp[1] = noun
        inp[2] = verb
        for i in range(0,len(inp),4):
            try:
                if inp[i] == 1:
                    inp[inp[i+3]] = inp[inp[i+1]]+inp[inp[i+2]]
                elif inp[i] == 2:
                    inp[inp[i+3]] = inp[inp[i+1]]*inp[inp[i+2]]
                elif inp[i] == 99:
                    break
            except IndexError as e:
                continue
        if inp[0] == 19690720:
            print(100*noun+verb)
            exit()