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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
int main(void){
freopen("5.in","r",stdin);
int capjumps=128,numjumps=0;
int *jumps=malloc(capjumps*sizeof(int));
while(true){
int target;
scanf("%d",&target);
if(feof(stdin))break;
if(numjumps==capjumps){
capjumps*=2;
jumps=realloc(jumps,capjumps*sizeof(int));
}
jumps[numjumps++]=target;
}
int *jumps1=malloc(numjumps*sizeof(int));
memcpy(jumps1,jumps,numjumps*sizeof(int));
int at=0;
int nsteps=0;
while(0<=at&&at<numjumps){
at+=jumps1[at]++;
nsteps++;
}
printf("%d\n",nsteps);
memcpy(jumps1,jumps,numjumps*sizeof(int));
at=0;
nsteps=0;
while(0<=at&&at<numjumps){
int next=at+jumps1[at];
if(jumps1[at]>=3)jumps1[at]--;
else jumps1[at]++;
at=next;
nsteps++;
}
printf("%d\n",nsteps);
free(jumps1);
free(jumps);
}
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