lines = """75
95 64
17 47 82
18 35 87 10
20 4 82 47 65
19 1 23 75 3 34
88 2 77 73 7 63 67
99 65 4 28 6 16 70 92
41 41 26 56 83 40 80 70 33
41 48 72 33 47 32 37 16 94 29
53 71 44 65 25 43 91 52 97 51 14
70 11 33 28 77 73 17 78 39 68 17 57
91 71 52 38 17 14 91 43 58 50 27 29 48
63 66 4 68 89 53 67 30 73 16 69 87 40 31
4 62 98 27 23 9 70 98 73 93 38 53 60 4 23"""

lines = lines.split("\n")

triangle = []
for line in lines:
    triangle.append([int(x) for x in line.split()])

for i in range(len(triangle) - 2, -1, -1):
    for j in range(len(triangle[i])):
        if triangle[i+1][j] > triangle[i+1][j+1]:
            triangle[i][j] += triangle[i+1][j]
        else:
            triangle[i][j] += triangle[i+1][j+1]

print(triangle[0])
