Buggy python submission (verdict: Runtime Error):
def Sol(taka_health,taka_stregnth,aoki_health,aoki_stregnth):
    
    if taka_health%aoki_stregnth != 0:
        moves_taka = int(taka_health/aoki_stregnth) + 1
    else:
        moves_taka = int(taka_health/aoki_stregnth)
    
    if aoki_health%taka_stregnth != 0:
        moves_aoki =int(aoki_health/taka_stregnth) + 1
    else:
        moves_aoki = int(aoki_health/taka_stregnth)
    
    print(moves_aoki,moves_taka)
    if moves_taka > moves_aoki:
        print("Yes")
    else:
        print("No")
    return

    

#for t in range(int(input())):
n,k,d,c = map(int,input().split())
#n = int(input())
#arr = []
#for i in range(n):
#    time = list(map(int,input().split()))
#    time = time[0] + (time[1]/60)
#    arr.append(time)
#arr = list(map(int,input().split()))
#k = input()
#n = int(input())
Sol(n,k,d,c)


Fixed submission:

def Sol(s,w):
    
    if s>w:
        print("safe")
    else:
        print("unsafe")
    
    return

    

#for t in range(int(input())):
n,k = map(int,input().split())
#n = int(input())
#arr = []
#for i in range(n):
#    time = list(map(int,input().split()))
#    time = time[0] + (time[1]/60)
#    arr.append(time)
#arr = list(map(int,input().split()))
#k = input()
#n = int(input())
Sol(n,k)

Buggy python submission (verdict: Runtime Error):
def Sol(taka_health,taka_stregnth,aoki_health,aoki_stregnth):
    
    if taka_health%aoki_stregnth != 0:
        moves_taka = int(taka_health/aoki_stregnth) + 1
    else:
        moves_taka = int(taka_health/aoki_stregnth)
    
    if aoki_health%taka_stregnth != 0:
        moves_aoki =int(aoki_health/taka_stregnth) + 1
    else:
        moves_aoki = int(taka_health/aoki_stregnth)
    
    print(moves_aoki,moves_taka)
    if moves_taka > moves_aoki:
        print("Yes")
    else:
        print("No")
    return

    

#for t in range(int(input())):
n,k,d,c = map(int,input().split())
#n = int(input())
#arr = []
#for i in range(n):
#    time = list(map(int,input().split()))
#    time = time[0] + (time[1]/60)
#    arr.append(time)
#arr = list(map(int,input().split()))
#k = input()
#n = int(input())
Sol(n,k,d,c)


Fixed submission:

def Sol(s,w):
    
    if s>w:
        print("safe")
    else:
        print("unsafe")
    
    return

    

#for t in range(int(input())):
n,k = map(int,input().split())
#n = int(input())
#arr = []
#for i in range(n):
#    time = list(map(int,input().split()))
#    time = time[0] + (time[1]/60)
#    arr.append(time)
#arr = list(map(int,input().split()))
#k = input()
#n = int(input())
Sol(n,k)

Buggy python submission (verdict: Runtime Error):
def Sol(a,b,c,d):
    
    if a%d != 0:
        m_aoki = int(a/d) + 1
    else:
        m_aoki = int(a/d)

    if c%b != 0:
        m_taka = int(c/b) + 1
    else:
        m_taka = int(c/b)
        
    if m_taka >= m_aoki:
        print("YES")
    else:
        print("NO")

    return

    

#for t in range(int(input())):
n,k,c,d = map(int,input().split())
#n = int(input())
#arr = []
#for i in range(n):
#    arr.append(input())
#arr = list(map(int,input().split()))
#k = input()
#n = int(input())
Sol(n,k,c,d)


Fixed submission:

def Sol(s,w):
    
    if s>w:
        print("safe")
    else:
        print("unsafe")
    
    return

    

#for t in range(int(input())):
n,k = map(int,input().split())
#n = int(input())
#arr = []
#for i in range(n):
#    time = list(map(int,input().split()))
#    time = time[0] + (time[1]/60)
#    arr.append(time)
#arr = list(map(int,input().split()))
#k = input()
#n = int(input())
Sol(n,k)