lines = [i for i in open("input.txt", 'r').read().splitlines()] letters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" sum = 0 sum2 = 0 for i in range(len(lines)): l = lines[i] found = False for c in l[:int(len(l)/2)]: for d in l[int(len(l)/2):]: if c == d: sum += letters.index(c)+1 found = True break if found: break found = False if i % 3 == 0: for c in l: for d in lines[i+1]: if c == d: for e in lines[i+2]: if d == e: sum2 += letters.index(c)+1 found = True break if found: break if found: break print(sum) print(sum2)