with open("24-4.txt") as f: 
     s=f.readline() 
     k=1 
     kmax=0 
     for i in range(len(s)-1): 
         if s[ i]>s[ i+1]: 
             k+=1 
         else: 
             kmax=max(k,kmax) 
             k=1 
     k=1 
     for i in range(len(s)-1): 
         if s[ i]>s[ i+1]: 
             k+=1 
         else: 
             if k==kmax: 
                 print(n+1) 
                 break 
             n=i+1 
             k=1 
 

f = open('1.txt', 'r') 
 s = f.readline() 
  
 cur_len = 1 
 cur_num = 0 
 max_len = 0 
 max_num = 0 
 for i in range(len(s) - 1): 
 	if s[ i] > s[ i + 1]: 
 		cur_len += 1 
 	else: 
 		if cur_len > max_len: 
 			max_num = cur_num 
 			cur_len = 1 
 		cur_num = i + 1 
  
 print(cur_num + 1)