Pakkaus

asd = input()
length = len(asd)
s = ""
m1 = ""
n = asd[0]

i = 1
count = 0
b2 = True
while i < length:
    b1 = b2
    b2 = asd[i].isdigit()
    if b1 != b2:
        count += 1
        if count == 2:
            s += int(m1) * n
            count = 0
        m1 = n
        n = ""
    n += asd[i]
    i += 1
s += int(m1) * n
print(s)

Test 1

Group: 1

Verdict: ACCEPTED

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: ACCEPTED

Test 7

Group: 2

Verdict: ACCEPTED

Test 8

Group: 2

Verdict: ACCEPTED

Test 9

Group: 2

Verdict: ACCEPTED

Test 10

Group: 2

Verdict: ACCEPTED

Test 11

Group: 3

Verdict: ACCEPTED

Test 12

Group: 3

Verdict: ACCEPTED

Test 13

Group: 3

Verdict: ACCEPTED

Test 14

Group: 3

Verdict: ACCEPTED

Test 15

Group: 3

Verdict: ACCEPTED