Buggy python submission (verdict: Runtime Error):
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'
    t = (B - A) / (V - W)
    if t >= 0:
        if t<=T:
            out = 'YES'
    
    print(out)
main()

Fixed submission:
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'

    if V==W:
        if B==A:
            out = 'YES'
            print(out)
            sys.exit()
        else:
            print(out)
            sys.exit()

    if B < A:
        t = (B - A) / (W - V)
    else:
        t = (B - A) / (V - W)
        
    if t >= 0:
        if t<=T:
            out = 'YES'
    
    print(out)
main()

Buggy python submission (verdict: Runtime Error):
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'
    t = (B - A) / (V - W)
    if t > 0:
        if t<=T:
            out = 'YES'
    
    print(out)
main()

Fixed submission:
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'

    if V==W:
        if B==A:
            out = 'YES'
            print(out)
            sys.exit()
        else:
            print(out)
            sys.exit()

    if B < A:
        t = (B - A) / (W - V)
    else:
        t = (B - A) / (V - W)
        
    if t >= 0:
        if t<=T:
            out = 'YES'
    
    print(out)
main()

Buggy python submission (verdict: Runtime Error):
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'
    t = (B - A) / (V - W)
    if t.is_integer()==True:
        t = int(t)
        if t > 0:
            if t<=T:
                out = 'YES'
    
    print(out)
main()

Fixed submission:
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'

    if V==W:
        if B==A:
            out = 'YES'
            print(out)
            sys.exit()
        else:
            print(out)
            sys.exit()

    if B < A:
        t = (B - A) / (W - V)
    else:
        t = (B - A) / (V - W)
        
    if t >= 0:
        if t<=T:
            out = 'YES'
    
    print(out)
main()

Buggy python submission (verdict: Runtime Error):
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'
    t = (B - A) / (V - W)
    if isinstance(t, int):
        if t<=T:
            out = 'YES'
        
    print(out)
main()

Fixed submission:
import sys

def main():
    A, V = map(int, input().split())
    B, W = map(int, input().split())
    T = int(input())

    out = 'NO'

    if V==W:
        if B==A:
            out = 'YES'
            print(out)
            sys.exit()
        else:
            print(out)
            sys.exit()

    if B < A:
        t = (B - A) / (W - V)
    else:
        t = (B - A) / (V - W)
        
    if t >= 0:
        if t<=T:
            out = 'YES'
    
    print(out)
main()